With its victory scale, Cu Chi tunnel went into the history of heroic struggle of the Vietnamese as a legend of the 20th century and became famous in the world. This is a unique and incomparable wonder with 250 km tunnel spreading like cobwebs underground, with the completion of works associated with the tunnels such as trenches, docks, fighting places, tunnels for eating, sleeping, meetings, activities, military, food storage, water wells, Hoang Cam stoves...

Tunnel structure

The Structure of Cu Chi Tunnel

The tunnel system runs squirming in the ground, from the "backbone" (Main Street) spreading numerous branches of diferent lengths, connecting together or independently end, depending .on the terrain. There are many branches to Saigon River, so in emergency case, they could cross the river to the base of Ben Cat (Binh Duong).

The tunnel is not too deep but is able to against heavy artillery and tanks, armored vehicles, deep combat sections and small bombs. There are structural sections from two to three floors (upstairs called the "upper", downstairs called "low"). Place up and down between the floors; there is a secret hatch cover. In the tunnel, there are necessary stop points to prevent the enemy or toxic chemicals sprayed by the enemy. There are narrow passages, pretty small to go through. Along the tunnel, there are vents discreetly disguised and carved up the ground with many secret doors.

Countless doors are structured as combat, sniper gun emplacements very flexibly. This is the sudden to the enemy. Under the single tunnel in important coverage areas, there are jaws, nail holes, pitfalls...

Around the covers of the bunkers, there are many nail holes, mine left (called dead area), including anti-tank landmines and cluster bombs against wheels helicopter shooting down, to destroy and prevent military enemy approaching.

Along with the tunnel, there are bunkers large enough for hammocks to rest after the fight. There are also weapons and food storage area, drinking water, water wells, Hoang Cam stove (stove hid smoke in the ground), work bunker of the leaders, commanders, surgery bunker, nurturing wounded, A solid basement for women, the elderly, children's shelter. There are large cellars, cool roofs, above camouflaged for meetings, film screenings, music performances...

Today, the 75-mile (121 km)-long complex of tunnels at Củ Chi (out of 250km) has been preserved by the government of Vietnam, and turned into a war memorial park with two different tunnel display sites, Ben Dinh and Ben Duoc. The tunnels are a popular tourist attraction, and visitors are invited to crawl around in the safer parts of the tunnel system. The Ben Duoc site contains part of the original tunnel system, while the Ben Dinh site, closer to Saigon, has tunnel reconstructions and some tunnels have been made larger to accommodate the larger size of Western tourists

.

Above-ground attractions include caged monkeys, vendors selling souvenirs, and a shooting range where visitors can fire a number of assault rifles, such as the M16 rifle or AK-47, as well as a light machine gun like the M60.